<template>
  <view class="page">
    <!-- <cu-custom bgColor="bg-gradual-blue" :isBack="true"><block slot="backText">返回</block><block slot="content">布局</block></cu-custom> -->
    <scroll-view scroll-x class="bg-white nav text-center fixed" :style="[{top:CustomBar + 'rpx'}]">
      <view class="cu-item" :class="index==TabCur?'text-blue cur':''" v-for="(item,index) in tabNav" :key="index"
        @tap="tabSelect" :data-id="index">
        {{tabNav[index]}}
      </view>
    </scroll-view>
    <block v-if="TabCur==0">
      <view class="cu-bar bg-white solid-bottom">
        <view class="action">
          <text class="cuIcon-title text-blue"></text>固定尺寸
        </view>
      </view>
      <view class="padding bg-white">
        <view class="flex flex-wrap">
          <view class="basis-xs bg-grey margin-xs padding-sm radius">xs(20%)</view>
          <view class="basis-df"></view>
          <view class="basis-sm bg-grey margin-xs padding-sm radius">sm(40%)</view>
          <view class="basis-df"></view>
          <view class="basis-df bg-grey margin-xs padding-sm radius">sub(50%)</view>
          <view class="basis-lg bg-grey margin-xs padding-sm radius">lg(60%)</view>
          <view class="basis-xl bg-grey margin-xs padding-sm radius">xl(80%)</view>
        </view>
      </view>
      <view class="cu-bar bg-white  margin-top solid-bottom">
        <view class="action">
          <text class="cuIcon-title text-blue"></text>比例布局
        </view>
      </view>
      <view class="padding bg-white">
        <view class="flex">
          <view class="flex-sub bg-grey padding-sm margin-xs radius">1</view>
          <view class="flex-sub bg-grey padding-sm margin-xs radius">1</view>
        </view>
        <view class="flex  p-xs margin-bottom-sm mb-sm">
          <view class="flex-sub bg-grey padding-sm margin-xs radius">1</view>
          <view class="flex-twice bg-grey padding-sm margin-xs radius">2</view>
        </view>
        <view class="flex  p-xs margin-bottom-sm mb-sm">
          <view class="flex-sub bg-grey padding-sm margin-xs radius">1</view>
          <view class="flex-twice bg-grey padding-sm margin-xs radius">2</view>
          <view class="flex-treble bg-grey padding-sm margin-xs radius">3</view>
        </view>
      </view>
      <view class="cu-bar bg-white  margin-top solid-bottom">
        <view class="action">
          <text class="cuIcon-title text-blue"></text>水平对齐(justify)
        </view>
      </view>
      <view class="bg-white">
        <view class="flex solid-bottom padding justify-start">
          <view class="bg-grey padding-sm margin-xs radius">start</view>
          <view class="bg-grey padding-sm margin-xs radius">start</view>
        </view>
        <view class="flex solid-bottom padding justify-end">
          <view class="bg-grey padding-sm margin-xs radius">end</view>
          <view class="bg-grey padding-sm margin-xs radius">end</view>
        </view>
        <view class="flex solid-bottom padding justify-center">
          <view class="bg-grey padding-sm margin-xs radius">center</view>
          <view class="bg-grey padding-sm margin-xs radius">center</view>
        </view>
        <view class="flex solid-bottom padding justify-between">
          <view class="bg-grey padding-sm margin-xs radius">between</view>
          <view class="bg-grey padding-sm margin-xs radius">between</view>
        </view>
        <view class="flex solid-bottom padding justify-around">
          <view class="bg-grey padding-sm margin-xs radius">around</view>
          <view class="bg-grey padding-sm margin-xs radius">around</view>
        </view>
      </view>
      <view class="cu-bar bg-white  margin-top solid-bottom">
        <view class="action">
          <text class="cuIcon-title text-blue"></text>垂直对齐(align)
        </view>
      </view>
      <view class="bg-white">
        <view class="flex solid-bottom padding align-start">
          <view class="bg-grey padding-lg margin-xs radius">ColorUi</view>
          <view class="bg-grey padding-sm margin-xs radius">start</view>
        </view>
        <view class="flex solid-bottom padding align-end">
          <view class="bg-grey padding-lg margin-xs radius">ColorUi</view>
          <view class="bg-grey padding-sm margin-xs radius">end</view>
        </view>
        <view class="flex solid-bottom padding align-center">
          <view class="bg-grey padding-lg margin-xs radius">ColorUi</view>
          <view class="bg-grey padding-sm margin-xs radius">center</view>
        </view>
      </view>
    </block>
    <block v-if="TabCur==1">
      <view class="cu-bar bg-white  margin-top solid-bottom">
        <view class="action">
          <text class="cuIcon-title text-blue"></text>等分列
        </view>
        <view class="action"></view>
      </view>
      <view class="bg-white padding">
        <view class="grid margin-bottom text-center" v-for="(item,index) in 5" :key="index" :class="'col-' + (index+1)">
          <view class="padding" :class="indexs%2==0?'bg-cyan':'bg-blue'" v-for="(item,indexs) in (index+1)*2"
            :key="indexs">{{indexs+1}}</view>
        </view>
      </view>
      <view class="cu-bar bg-white  margin-top solid-bottom">
        <view class="action">
          <text class="cuIcon-title text-blue"></text>等高
        </view>
        <view class="action"></view>
      </view>
      <view class="bg-white padding">
        <view class="grid col-4 grid-square">
          <view class="bg-img" v-for="(item,index) in avatar" :key="index"
            :style="[{ backgroundImage:'url(' + avatar[index] + ')' }]"></view>
        </view>
      </view>
    </block>
    <block v-if="TabCur==2">
      <view class="cu-bar bg-white margin-top solid-bottom">
        <view class="action">
          <text class="cuIcon-title text-blue"></text>浮动
        </view>
      </view>
      <view class="bg-white padding">
        <view class=" cf padding-sm">
          <view class="bg-grey radius fl padding-sm">ColorUi fl</view>
          <view class="bg-grey radius fr padding-sm">ColorUi fr</view>
        </view>
      </view>
      <view class="cu-bar bg-white  solid-bottom margin-top solid-bottom">
        <view class="action">
          <text class="cuIcon-title text-blue"></text>内外边距
        </view>
      </view>
      <view class="bg-white">
        <view class="padding bg-gray">{size}的尺寸有xs/sm/df/lg/xl</view>
        <view class="flex flex-wrap padding solid-top">
          <view class="basis-df padding-bottom-xs">外边距</view>
          <view class="basis-df padding-bottom-xs">内边距</view>
          <view class="basis-df">.margin-{size}</view>
          <view class="basis-df">.padding-{size}</view>
        </view>
        <view class="flex flex-wrap padding solid-top">
          <view class="basis-df padding-bottom-xs">水平方向外边距</view>
          <view class="basis-df padding-bottom-xs">水平方向内边距</view>
          <view class="basis-df">.margin-lr-{size}</view>
          <view class="basis-df">.padding-lr-{size}</view>
        </view>
        <view class="flex flex-wrap padding solid-top">
          <view class="basis-df padding-bottom-xs">垂直方向外边距</view>
          <view class="basis-df padding-bottom-xs">垂直方向内边距</view>
          <view class="basis-df">.margin-tb-{size}</view>
          <view class="basis-df">.padding-tb-{size}</view>
        </view>
        <view class="flex flex-wrap padding solid-top">
          <view class="basis-df padding-bottom-xs">上外边距</view>
          <view class="basis-df padding-bottom-xs">上内边距</view>
          <view class="basis-df">.margin-top-{size}</view>
          <view class="basis-df">.padding-top-{size}</view>
        </view>
        <view class="flex flex-wrap padding solid-top">
          <view class="basis-df padding-bottom-xs">右外边距</view>
          <view class="basis-df padding-bottom-xs">右内边距</view>
          <view class="basis-df">.margin-right-{size}</view>
          <view class="basis-df">.padding-right-{size}</view>
        </view>
        <view class="flex flex-wrap padding solid-top">
          <view class="basis-df padding-bottom-xs">下外边距</view>
          <view class="basis-df padding-bottom-xs">下内边距</view>
          <view class="basis-df">margin-bottom-{size}</view>
          <view class="basis-df">.padding-bottom-{size}</view>
        </view>
        <view class="flex flex-wrap padding solid-top">
          <view class="basis-df padding-bottom-xs">左外边距</view>
          <view class="basis-df padding-bottom-xs">左内边距</view>
          <view class="basis-df">.margin-left-{size}</view>
          <view class="basis-df">.padding-left-{size}</view>
        </view>
      </view>
    </block>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        CustomBar: uni.getStorageSync('NavBarHeight'),
        TabCur: 0,
        avatar: ['https://ossweb-img.qq.com/images/lol/web201310/skin/big10001.jpg',
          'https://ossweb-img.qq.com/images/lol/web201310/skin/big81005.jpg',
          'https://ossweb-img.qq.com/images/lol/web201310/skin/big25002.jpg',
          'https://ossweb-img.qq.com/images/lol/web201310/skin/big99008.jpg'
        ],
        tabNav: ['Flex布局', 'Grid布局', '辅助布局']
      };
    },
    methods: {
      tabSelect(e) {
        this.TabCur = e.currentTarget.dataset.id;
        this.scrollLeft = (e.currentTarget.dataset.id - 1) * 60
      }
    }
  }
</script>

<style scoped>
  .page {
    margin-top: 118rpx;
  }
</style>